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我有一個腳本訪問LED控制和電機控制的GPIO引腳組。 電機控制的一個方面包含在一個線程類中,另一個方面是一個單獨的功能,它也訪問相同的GPIO引腳。 我是否需要將所有電機控制器都拉入同一班級,還是可以在兩個地方訪問它們?訪問類內外的GPIO引腳
def MotorControl(direction,fspeed,bspeed):
print "Controlling them pins"
if direction == "fwd":
bck.ChangeDutyCycle(0)
fwd.ChangeDutyCycle(fspeed)
print "forward at" + str(fspeed) + "%"
return
if direction == "bwd":
bck.ChangeDutyCycle(bspeed)
fwd.ChangeDutyCycle(0)
print "back at" + str(bspeed) + "%"
return
class sliderControl(threading.Thread):
GPIO.setmode(GPIO.BCM)
GPIO_PWM1=14
GPIO_PWM2=15
GPIO_SW1=11
GPIO.setup(GPIO_PWM1,GPIO.OUT)
fwd = GPIO.PWM(GPIO_PWM1, 250)
fwd.start(0)
GPIO.setup(GPIO_PWM2,GPIO.OUT)
bck = GPIO.PWM(GPIO_PWM2, 250)
bck.start(0)
#Setup input for switch monitoring
GPIO.setup(GPIO_SW1, GPIO.IN, pull_up_down=GPIO.PUD_UP)
def __init__(self,stop_event):
super(sliderControl,self).__init__()
self.stop_event = stop_event
GPIO.cleanup()
def run(self):
while self.stop_event:
print 'forward loop'
bck.ChangeDutyCycle(10)
fwd.ChangeDutyCycle(0)
time.sleep(5)
print 'backwards loop'
bck.ChangeDutyCycle(0)
fwd.ChangeDutyCycle(20)
time.sleep(5)
有時需要有人指出出血明顯 – Nowski 2014-12-04 15:14:27